Home / 26,163.20-39,231.36-7,692.80

Finding the Fourth Proportional to 26,163.20, 39,231.36 and 7,692.80

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Solution

The fourth proportional to 26,163.20, 39,231.36 and 7,692.80 is: 11,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.20 : 39,231.36 = 7,692.80 : x
  2. Step 2: Convert to fraction form
    26,163.20/39,231.36 = 7,692.80/x
  3. Step 3: Cross multiply
    26,163.20x = 39,231.36 × 7,692.80
  4. Step 4: Simplify right side
    26,163.20x = 301,799,006.21
  5. Step 5: Solve for x
    x = 301,799,006.21/26,163.20
  6. Step 6: Final answer
    x = 11,535.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.